---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-23-027023"
form_type: "8-K"
ticker: "DH"
cik: "0001861795"
company_name: "Definitive Healthcare Corp."
filed_at: "2023-06-08T23:59:59+00:00"
generated_at: "2026-06-14T05:18:28.930600+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.45
calibrated_materiality_score: 0.45
confidence: "high"
source: SEC EDGAR
---

# Definitive Healthcare CRO Joseph Mirisola resigns; transition through Dec 31, 2023

## Summary
- Joseph Mirisola notified board of intent to resign as Chief Revenue Officer on June 8, 2023.
- Resignation effective on or around Dec 31, 2023, pending successor identification and transition.
- Mirisola was one of the first employees and has served for 12 years; will assist in transition.
- No replacement named yet; CEO Robert Musslewhite signed the filing.

## SEC filing metadata
- accession: 0000950170-23-027023
- form_type: 8-K
- ticker: DH
- cik: 0001861795
- company_name: Definitive Healthcare Corp.
- filed_at: 2023-06-08T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.45
- calibrated_materiality_score: 0.45
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1861795/000095017023027023/0000950170-23-027023-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1861795/000095017023027023/dh-20230608.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-23-027023
- JSON: https://secwatch.observer/filing/0000950170-23-027023.json
- Plain text: https://secwatch.observer/filing/0000950170-23-027023.txt

## Key facts
- Executive change
  Joseph Mirisola resigned as Chief Revenue Officer at Definitive Healthcare Corp..
  - Action: resigned
  - Role: Chief Revenue Officer
  source text: On June 8, 2023, Joseph Mirisola notified the Board of Directors of Definitive Healthcare Corp. (NASDAQ:DH) (the “Company”) of his intent to resign as its Chief Revenue Officer.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1861795/000095017023027023/0000950170-23-027023-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.